aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/kernel/setup.c
Commit message (Collapse)AuthorAgeFilesLines
* Blackfin arch: use %pF when printing out the double fault address so we get ↵Mike Frysinger2008-08-141-1/+1
| | | | | | | | symbol names Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Print out doublefault addresses, so debug can occurRobin Getz2008-08-141-1/+6
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: cleanup cache lock codeMike Frysinger2008-08-141-1/+1
| | | | | | | | | | | - remove cheesy read_iloc() function - move invalidate_entire_icache function to lock.S - export proper prototypes for functions in lock.S - only build lock.S when BFIN_ICACHE_LOCK is enabled Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: convert L2 defines to be the same as the L1 definesMike Frysinger2008-08-131-7/+7
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: move async memory programming into common setup_arch() as the ↵Mike Frysinger2008-08-061-0/+10
| | | | | | | | banks dont really need to be setup fully as early as head.S Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: If we double fault, rather than hang forever, resetRobin Getz2008-07-261-2/+5
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: When icache is off, make sure people know itRobin Getz2008-07-261-5/+12
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: cache the values of vco/sclk/cclk as the overhead of doing so ↵Mike Frysinger2008-07-261-10/+34
| | | | | | | | (~24 bytes) is worth avoiding the software mult/div routines Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: check the EXTBANKS field of the DDRCTL1 register to see if we ↵Mike Frysinger2008-07-261-0/+2
| | | | | | | | are using both memory banks Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Extend sram malloc to handle L2 SRAM.Sonic Zhang2008-07-191-0/+10
| | | | | | | | | | | | Extend system call to alloc L2 SRAM in application. Automatically move following sections to L2 SRAM: 1. kernel built-in l2 attribute section 2. kernel module l2 attribute section 3. elf-fdpic application l2 attribute section Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Remove redundant kernel optionMichael Hennerich2008-07-141-9/+5
| | | | | | | | | use kernel command line mem and max_mem bootargs to limit availabe memory instead. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: take DDR DEVWD into consideration as well for BF548Michael Hennerich2008-04-251-6/+13
| | | | | | | Pointed-out-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: BF54x memsizes are in mbits, not mbytesMike Frysinger2008-04-251-4/+4
| | | | | | | Pointed-out-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: detect the memory available in the system on the fly by defaultMike Frysinger2008-04-251-1/+44
| | | | | | | | | detect the memory available in the system on the fly by default rather than forcing people to set this manually in the kconfig Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: now that we can panic() early, dont need the delayed L1 ↵Mike Frysinger2008-04-241-11/+1
| | | | | | | | overflow check Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - Section data_l1_cacheline_aligned should be ↵Sonic Zhang2008-04-241-3/+3
| | | | | | | | | | | | | | | | | | | | | defined in link script of kernel http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3978 Section data_l1_cacheline_aligned should be defined in link script of kernel, when L1 data sram bank A is not available. In bf536 with all data cache is enabled, there is no L1 data sram. Current link script won't define section data_l1.cacheline_aligned in this case. But, if user select put cacheline_aligned data into l1 sram in kernel menuconfig, these data will be dropped and access to these data will trigger data CPLB exception. Do panic in l1 relocation code as well. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Add a little bit more runtime info for MPURobin Getz2008-04-241-2/+6
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: theres no need to declare ram{end,start,base} in the head.S ↵Mike Frysinger2008-04-241-0/+1
| | | | | | | | | | | | files theres no need to declare ram{end,start,base} in the head.S files when declaring them with the other memory related variables in setup.c is so much simpler/nicer Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add code to initialize globals declared in linux/bootmem.h: ↵Yi Li2008-03-261-7/+45
| | | | | | | | max_pfn, max_low_pfn, min_low_pfn. Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: make sure we export the _bfin_swrst symbol as modules (like ↵Mike Frysinger2008-02-251-0/+1
| | | | | | | | the watchdog) need it Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add fixed code to the memory map outputMike Frysinger2008-02-221-1/+3
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix building with mtd uclinux by putting the mtd_phys ↵Mike Frysinger2008-02-021-3/+4
| | | | | | | | option into the function it actually gets used in Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* [Blackfin] arch: simpler header and update datesMike Frysinger2008-02-021-24/+5
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* [Blackfin] arch: move the init sections to the end of memoryMike Frysinger2008-02-021-7/+7
| | | | | | | | | | | | | | | Move the init sections to the end of memory so that after they are free, run time memory is all continugous - this should help decrease memory fragementation. When doing this, we also pack some of the other sections a little closer together, to make sure we don't waste memory. To make this happen, we need to rename the .data.init_task section to .init_task.data, so it doesn't get picked up by the linker script glob. Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* [Blackfin] arch: Fix BUG - Enable ISP1362 driver to work ok with BF561Michael Hennerich2008-02-021-8/+10
| | | | | | | | | | | This fixes a bug (zero pointer access) only seen on BF561, during USB Mass Storage/SCSI Host initialization. It appears to be related to registering a none existing CPU Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* [Blackfin] arch: add "memmap=nn[KMG]@ss[KMG]" and "memmap=nn[KMG]$ss[KMG]" ↵Yi Li2008-02-091-114/+427
| | | | | | | | options to blackfin, based on arch/i386/kernel/e820.c Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* procfs: constify function pointer tablesJan Engelhardt2008-02-081-1/+1
| | | | | | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-By: David Howells <dhowells@redhat.com> Acked-by: Bryan Wu <bryan.wu@analog.com> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Introduce flags for reserve_bootmem()Bernhard Walle2008-02-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | This patchset adds a flags variable to reserve_bootmem() and uses the BOOTMEM_EXCLUSIVE flag in crashkernel reservation code to detect collisions between crashkernel area and already used memory. This patch: Change the reserve_bootmem() function to accept a new flag BOOTMEM_EXCLUSIVE. If that flag is set, the function returns with -EBUSY if the memory already has been reserved in the past. This is to avoid conflicts. Because that code runs before SMP initialisation, there's no race condition inside reserve_bootmem_core(). [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix powerpc build] Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: <linux-arch@vger.kernel.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [Blackfin] arch: fix bug kernel boot message: memory information is not ↵Yi Li2008-01-271-0/+1
| | | | | | | | | | | | | | | | | reasonable Some of the information in kernel boot message is not reasonable. http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3846 - use _rambase as the start of kernel image. kernel is in the region [_rambase, _ramstart] - count in pages in per-cpu-page list as available memory - reserved memory now include: [0 - 4K] for bad pointer catching, memory reserved for abnormaly 05000263, memory reserved by kernel itself. Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* [Blackfin] arch: Initial checkin of the memory protection support.Bernd Schmidt2008-01-271-0/+10
| | | | | | | | Enable it with CONFIG_MPU. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* [Blackfin] arch: scrub dead alive/idle LED codeMike Frysinger2007-12-241-2/+0
| | | | | | | | | if it does get re-added, it needs to be in the boards directory, not common code ... or it needs a re-implementation Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: fix bug kernel not to boot up with mtd filesystemsBernd Schmidt2007-11-181-4/+4
| | | | | | | | | | | | | | | | Revert this patch: move the init sections to the end of memory, so that after they are free, run time memory is all continugous - this should help decrease memory fragementation. When doing this, we also pack some of the other sections a little closer together, to make sure we don't waste memory. To make this happen, we need to rename the .data.init_task section to .init_task.data, so it doesn't get picked up by the linker script glob. Since it causes the kernel not to boot up with mtd filesystems. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: use do_div() for the 64bit division as pointed out by BerndMike Frysinger2007-11-231-2/+7
| | | | | | | | | | If you need a 64 bit divide in the kernel, use asm/div64.h. Revert the addition of udivdi3. Cc: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: move the init sections to the end of memory to help decrease ↵Robin Getz2007-11-151-4/+4
| | | | | | | | | | | | | | | memory fragementation move the init sections to the end of memory, so that after they are free, run time memory is all continugous - this should help decrease memory fragementation. When doing this, we also pack some of the other sections a little closer together, to make sure we don't waste memory. To make this happen, we need to rename the .data.init_task section to .init_task.data, so it doesn't get picked up by the linker script glob. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: ensure that speculative loads of bad pointers don't cause us ↵Robin Getz2007-10-291-0/+2
| | | | | | | | | | to do bad things. Fix/change formatting of a few more things. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: fix bug: tell users if the kernel is recovering from a fault ↵Robin Getz2007-10-291-2/+9
| | | | | | | | condition Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: Javier Herrer writes: fix building when icache and dcache is ↵Mike Frysinger2007-10-221-2/+2
| | | | | | | | disabled Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: add functions for converting between sclks and usecsMike Frysinger2007-10-211-1/+13
| | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: use "char bfin_board_name[]" rather than "char ↵Mike Frysinger2007-10-211-10/+10
| | | | | | | | *bfin_board_name" per discussion on lkml as the former uses less storage Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: Fix up /proc/cpuinfo so it is like everyone elseRobin Getz2007-10-211-39/+61
| | | | | | | | | | | Fix up /proc/cpuinfo so it is like everyone else, and gets parsed by various applications properly. Still needs some tweaking on parts without full L1 sram, like 532, 531, so it doesn't print out L1 bank info that doesn't exist. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: Enable earlyprintk earlier - so any error after our interrupt ↵Robin Getz2007-10-091-17/+21
| | | | | | | | | | | | | tables are set up will print out Also ensure that the traps_c code doesn't cause a double fault, by sending a signal to a faulting kernel before the memory subsystem is fully initialized, by printing out the error message before sending the signal. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: fix typo pointed out by David Rowe (Mhz -> MHz)Mike Frysinger2007-09-121-1/+1
| | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: Remove cruft - CONFIG_DEBUG_SERIAL_EARLY_INIT didn't work ↵Robin Getz2007-08-271-5/+0
| | | | | | | | that well with DEBUG_KERNEL_START Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: to do some consolidation of common code and common name spacesRobin Getz2007-10-101-14/+15
| | | | | | | | now all BLKFIN should be BFIN, should be no functional changes. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: revise anomaly handling by basing things on the compiler not ↵Mike Frysinger2007-07-251-10/+10
| | | | | | | | | | | | | the kconfig defines revise anomaly handling by basing things on the compiler not the kconfig defines, so the header is stable and usable outside of the kernel. This also allows us to move some code from preprocessing to compiling (gcc culls dead code) which should help with code quality (readability, catch minor bugs, etc...). Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: Initialize the exception vectors early in the boot processBernd Schmidt2007-07-251-0/+1
| | | | | | | | | Initialize the exception vectors early in the boot process, so that CPLB faults can be handled when memory protection is enabled. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: use bfin_read_SWRST() now that BF561 provides itMike Frysinger2007-07-241-4/+0
| | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: Enable BF54x PIN/GPIO interruptsMichael Hennerich2007-07-121-2/+2
| | | | | | Signed-off-bu: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: cleanup warnings from checkpatch -- no functional changesMike Frysinger2007-07-121-23/+21
| | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* Blackfin arch: Clean up trace buffer handling, No major functional changes.Robin Getz2007-06-211-3/+11
| | | | | | | | | | Turns on trace earlier, so crashes at kernel start should print out a trace, making things easier to debug. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
generated by cgit v1.1 at 2024-09-08 15:22:55 +0000